201580405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163223}}^1$

素因数の和:163260

約数の個数: 16

約数和(自身を含む): 274216320

約数和(自身を除く): 72635915

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 163223, 816115, 2121899, 3101237, 10609495, 15506185, 40316081, 201580405]

約数ペア:

[(1, 201580405), (5, 40316081), (13, 15506185), (19, 10609495), (65, 3101237), (95, 2121899), (247, 816115), (1235, 163223)]